1)function: closing and latching speed can be adjusted.
2)materail: die casting aluminum
1.have two or three valves to control the closing and latching speed and have back check function
2.This series is super oil pressing door closer, it's outer is made of aluminum alloy cated, outline modern.
3.It's gear and piston are made of steel of carbon structure, process by heat treatment may times. good quality, steady and precise performance.
4.The spring is made from super material, process by heat treatment strengthen treatment. Ensure the door closing strenth and using life.
5.Be applicable all kinds of metal door aluminum door and wooden door. It's can be fit with the door left opening or right oping. 6. It's optional matching localing arm, stoping at any angle.
- Q:What is the main function of the door closers of fire doors?
- Fire door closers play the role is that when you open the fire door, the door closet will automatically start off the fire door, so that the fire door can be turned off. So that fire doors effectively play a role in blocking the fire and the spread of smoke.
- Q:What oil is used in the closer
- Requirements include:
1) whether the need to open the door after the automatic stop function;
2) damping buffer function - quickly open the door to a certain position after the damping buffer, and the damping buffer force and range can be adjusted according to the use of self-use; This function is used to prevent the door quickly when the door or lock the wall, or emergency escape To prevent people in the fast open when the weight loss and leaning forward.
3) delay the slow closing - the door from the door to the maximum position began to slow down slowly, according to the requirements of stepless adjustment. Suitable for use in frequent and crowded places, especially hospitals, with the elderly, children and disabled access and access to the use of the door.
4) Closing force can be adjusted - can be used in the door and the door wide range of different doors to install, and because of environmental reasons to close the door more resistance. Random stepless adjustment can be satisfied with the closing force, especially in the coastal city, travel and other affected by the wind and closing resistance (the door of the force) often change the place.
5) use of the environment: fire and fire requirements in the winter and 35 ° under the premises of the anti - freeze requirements.
Usually the choice of door closers according to the manufacturer's product specifications, according to the size of different forces or adjustable power to match the size of different doors and weight. The following table shows the quality / size of the seven grades of test doors specified in the British Standard BS EN 1154 (a recognized standard for closed door gauges). The closing force of the door closet usually specifies a value between 1 and 7, the greater the number, indicating the greater the ability of the door closer.
- Q:How closed the door closer
- Now the door closer product market chaos, cheap and difficult to guarantee the quality and service life. Can be self-adjusting the side door screws tight, too loose will leak! If not only timely replacement.
- Q:How to install the door closer
- Connecting rod and the door to 90 degrees, then the host mounted on the door, two screws on the door, rocker in the door frame.
2, the installation of door closers
A, closed door installation
The most commonly used door closers are exterior door closers, which are installed as follows:
The most common standard usage is that the door closers are mounted on the hinge side and the door opens. When installed, the arms of the door closers protrude outward and about 90 ° to the door frame.
In the second use, the door closer is mounted on the opposite side of the hinge side. Typically, an additional bracket provided with the door closer is mounted on an arm parallel to the door frame. This kind of usage is usually not required to install the door closer to the outside of the building outside the open door.
The door closer is installed on the opposite side of the hinge of the door. This use can also be used in outward doors, especially only on a very narrow edge, without enough space to accommodate the doors of the door closer.
- Q:What is the difference between concealed door closers and closures?
- Installation is different, showing different results.
1, the installation of different ways, mainly installed in the main body of the door, such as the door or door or door or door frame, concealed is hidden in the door, the outside can not see the metal parts.
2, showing different results, dark door closers do not see the door closer, open only see the slide. All parts of the door closers are external.
- Q:Closed door installation method and size
- (Mm): Length 186 Width 44 Height 67 Installation Size: 19x168 (mm) Door Weight (mm): Length 186 Width 44 Height 67 Installation Size: 19x168 (mm) Door Weight Range: 45-65 (kg) Function: two-speed adjustable Applicable occasions: anti-theft door Function: two-speed adjustable Applicable occasions:
- Q:How to choose the door closers
- Select the door closers should consider the factors are: the weight of the door, the width of the door, the door frequency and the use of requirements and the use of the environment. The weight of the door and the width of the door is the most important factor in choosing the door closer model, common doors are fire doors, wooden doors, aluminum doors, glass doors, steel doors and so on. Usually the weight of the door is small, select the smaller model, and vice versa.
- Q:What do you need to install a door closer?
- Door frame installation: Door closers installed in the door frame, the seat installed on the door, and the door closer to the door. This installation method is suitable for wide door frame, there is enough space to install the door closer.Compared with the standard installation, this installation method is suitable for opening doors such as walls and other obstacles. This type of installation has a greater closing force and is suitable for larger and heavier doors.
- Q:What are the door closers cheap and durable?
- The key is the frequency of use of the janitor
- Q:Would like to ask what kind of door closers, suitable for hotel works with what?
- We can usually go to the nearest building materials market door door (Foshan). The type of door closers can be divided into: 1, installed in the door outside the door, 2, behind closed doors hidden in the door, collectively known as hidden behind closed doors.
Our products adopt superior fireproof technology. Our products have reliable quality, high precision processing and fast closing speed. Our closers can be controlled stably with guaranteed 1,000,000-time service life. Our door closers not only have the functions of closing, latching, back check and time delaying, but also have the function of 40-to-85-kilogram or 60-to-120-kilogram power adjustment. We look forward to your business negotiation and will sincerely be your best trade partner. Let us blaze new trails, create win-win situation and develop together.
1. Manufacturer Overview
|Annual Output Value
||US$5 Million - US$10 Million
||8.33% North America
8.33% South America
8.33% Eastern Europe
8.33% Southeast Asia
8.33% Mid East
8.33% Eastern Asia
8.33% Western Europe
8.33% Central America
8.33% Northern Europe
8.33% Southern Europe
||UL; CE; ISO9001 Certificate
2. Manufacturer Certificates
|a) Certification Name
3. Manufacturer Capability
||81% - 90%
|No.of Employees in Trade Department
||Below 1,000 square meters
|No. of Production Lines
||OEM Service Offered Design Service Offered Buyer Label Offered
|Product Price Range